Question: Nathan M. Pusey replaced James Bryant Conant in what position?
Paraphrase: For what purpose James Bryant Conant was replaced by Nathan M. Pusey?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q49355 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P1366 wd:Q1772795 }